Sash-fastener



(No Model.)

J. O. SHARP. SASH PASTENBR.

110.526,118. Patented Sept. 18, 1894.

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UNITEDl vSTATES Y PATENT Orrion.

l JAOOB O. SHARP, OF REIDsvILLE, NORTH CAROLINA.

SSH-FASTEN ER.

SFECIFICATION.forming-part of Letters Patent No. 526,118, dated September 18, 1894.

Application iiled Octobe; 16, 1893. Serial 110.488.318. (No model.)

To @ZZ whom t may concern.-

Be it known that l, JACOB O. SHARP, a citizenof the United States, residing at Reids- Ville, in the county of Rockingham and State of North Carolina, have invented a new and useful Sash-Lock, of which the following is a speciiication. y

My invention relates to sash-locks; and the objects in View are to provide a lock for the above purpose designed to be located upon the meeting-rail of a lower sash in a window, and which is capable of locking said sashes in different relative positions for the purpose of Ventilation, and for locking the sashes in their closed positions; and to provide a convenient means for operating the lock and retaining the'bolts thereof in desired positions.

With these and other objects in View the invention consists in certain features of construction hereinafter specitied and particularly pointed out in the claims.

Referring to the drawingsz-Figure 1 is a perspective view of a portion of the meetingrails of an upper and a lower sash, together with a portion of the window-frame. Fig. 2 is 'a vertical longitudinal sectional view through the bolt-chamber of the lock. v Fig. 3 is a top plan view of the lower sash, the parts being in the position they assume when the lower sash-bolt has been withdrawn from its keeper.

Fig. 4 is a similar View, the lower sash-bolt being further withdrawn and having act-uated the upper sash bolt to withdraw the latter. Fig. 5 is a sectional view throughthe boltoperating knob. Fig. 6 isa detail in elevation of the locking-plate upon which lthe knob is mounted.

Like numerals ot' reference indicate like parts in all the figures of the drawings.

1 designates the window-frame, and the side of the same is provided at a point opposite the upper .meeting-rail of the lower sash and above said point with bolt-receiving openin gs 2. The upper sash 3 of the window has that side-rail adjacent to the openings 2 likewise provided with a series of bolt-openings 4.

Below the upper sash is the usual lower sash 5.

Fitting over the front and upper surfaces of the meeting-rail of the lower sash 5 adjacent to one end thereof is a securing-plate 6, the same being of inverted L-shape when viewed in cross-section, and said plate is perforated at proper kpoints for the reception of Formed upon the upper side of the securf in g-plate and transversely opposite each other is a pair of bearing-lugs 13, and mounted for reciprocation therein is a bolt 14 the same being disposed at a right-angle to the bolts 10,

as shown, and therefore adapted to engage with the bolt-openin g 4 in the upper sash-rail in the same manner as the bolt 10 is designed to engage with the boltopenings 2 of the window-frame.

Pivoted as at 15 upon the upper side of the securing-plate 6 is a bell-crank lever 16, which at its outer end engages loosely with a slot 17 formed in a bolt 14, and at its inner end is provided with a substantially L-shaped slot 18. A slot 19 is formed in the upper side of the bore 9 of the securing-plate, and the same registers with the slot 18 of the belt-crank 1ever 16. A pin 2O extends from the bolt 10 upwardly through the slot 18, and is headed, as shown, so that the bolt 10 has a limited reciprocation before the pin acts upon the outer branch of the slot 18 and hence actuates the bell-crank to withdraw the bolt 14 from its engaging hole.

To the front' face of the upper meeting-rail of the lower sash 5 I secure by screws 21 a metal locking-plate 22, which as best shown in Fig. 6, is provided with a central perforation 23 and a series of concentric perforations 24, 25 and 26. Through the perforation 23 I insert a screw 27, and arrange upon the screw a knob 28 interposing between the head 29 of said screw and the bottom of a recess 30 in the knob a coiled-spring 31, the tendency of which is to press the knob againstthe plate 22. The knob is provided adjacent to its inner end with an annular groove 33 in which is fastened one end of a wire-cord 34, the remaining end being loosely connected at 35 to the rear end of the bolt 10. The knob is further provided at its inner end with a lug or pin 36 designed to engage with any one of the perforations 24, 25 or 26, and held in such engagement by means of the coiled-spring 31. It will be obvious that by withdrawing the knob slightly so as to disengage the locking-pin 36 from any one of the perforations said knob may be partially rotated and the lug or pin 36 inserted in any other one of the perforations 24, 25, or 26. In operation to lock the sashes when the window will be entirely closed, the knob is withdrawn and partially rotated toward the lock, and the pin or lug 36 inserted in the hole 24. It will be seen that the coiled spring 11 of the bolt 10 has served to shoot the latterand the pin 2O operated in the slot of the bellcrank lever 16 has served to shoot the bolt 14, so that the lower sash is securely bolted to the trame 1 and the upper sash securely bolted to the lower sash; hence neither frame can be raised or lowered. N 0W by withdrawing the knob i a short distance but rotating the same to the right it will be observed that the wire-cord 34 will withdraw the bolt l0 from the perforation in the window-frame and the pin 20 during such withdrawal will travel to the angle of the slot 18. As yet the bolt 14 which locks the upper sash remains undisturbed.

By releasing the knob the pin 36 thereof en- 1 gages with the central perforation 24 and thus the parts may remain in this position. By a further rotation of the knob away from the lock the pin 20 acting upon the inner branch `of the slot 18 serves to oscillate the bell-crank upon its pivot l5 and thus withdraw the bolt 14 from the upper sash, and by inserting the pin 36 in the perforation 26 both bolts will be locked ont of operative position and the sashes may be raised or lowered to their full extent. ing the lower sash, as the case may be, and

releasing the upper bolt 14, the two sashes are i locked together and hence permit of a ventilation both at the top and bottom of the winboth be locked at any point by permitting` the bolt lO to enter one of the upper perfoi rations 2 in the window-frame.

simple, and economical device, that may be readily applied to the meeting rails of any i window and which when in position will serve to lock the window entirely closed or partially open and will permit of any ventilation either at top or bottom that may be desired.

I do notl limit my invention to the precise details of construction herein shown and de scribed, but hold that I may vary the same to any degree and extent within the knowledge of the skilled mechanic without departing from the spirit thereof or sacrificing any of the advantages.

By lowering the upper sash or rais- Having described my invention, what I claim is- 1. A sash lock, comprising a plate designed to be secured to a sash, a transverse sash-engaging bolt mounted for reciprocation on the plate and disposed horizontally, a horizontal window-frame-engaging bolt mounted on the plate and arranged at right angles to the transverse bolt and provided with a pin, and a bell-crank lever arranged horizontally, fulcrumed on the plate and having one end loosely connected to the transverse bolt and having its other end provided with a slot arranged at an angle to the window frame engaging bolt and receiving the pin thereof, whereby a reciprocation of one bolt will produce a corresponding reciprocation of the other bolt, substantially as described.

2. In a sash-lock, a plate adapted to be se cured to the lower sash and having right angularly disposed reciprocating bolts to engage corresponding openings in a window-casing and upper sash, a spring for normally press ing one of the bolts outward, a bell-crank lever mounted on the plate and loosely engaging at one end one of the bolts and provided with an angular slot at its opposite end, a pin projecting from the spring-pressed bolt and engaging the slot, a swiveled knob, a spring pressing the same inwardly, means for locking the knob at any point of rotation, and a flexible connection between the knob and the spring-pressed bolt, substantially as specified.

3. In a sash-lock, a plate adapted to be secured to the lower sash and having right-angularly disposed reciprocating bolts to engage corresponding openings in a window-casing and upper sash, a spring for normally pressing one of the bolts outward, a bell-crank lever mounted on the plate and loosely engaging at one end one of the bolts and provided with an angular slot at its opposite end, a pin projecting from the springpressed bolt and engaging the slot, a metal plate adapted to be secured to the lower sash and having a central and an annular series of perforations, a knob arranged in front of the plate and having an axial bore, a headed screw passed through the bore and through the central perforation in the plate, a coiled spring inter- From the foregoing description in connect tion with the accompanying drawings, it will be seen that I have provided a very cheap,

J. O. SHARP.

lVitnesses:

J. H. SIeGERs, W. S. DUvALL.

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